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$51+ Cheap flights from Denver (DEN) to Pennsylvania

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Denver to Pennsylvania

Cheapest flights from Denver to Pennsylvania
Explore the most affordable flight options available from Denver to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:33 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Mon 3/26:00 pm
DCA
-
DEN
Nonstop4h 16m
Frontier
Deal found 1/27$110
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:48 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Wed 2/258:00 am
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/27$111
This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:35 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Mon 3/236:00 pm
DCA
-
DEN
Nonstop4h 16m
Frontier
Deal found 1/27$112
This Super.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:48 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Fri 2/208:00 am
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/28$116
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/134:38 pm
DEN
-
DCA
Nonstop3h 21m
Frontier
Tue 2/172:00 pm
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/27$117
This Expedia deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:48 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Sun 2/222:00 pm
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/28$118
This Super.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:48 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Sun 3/12:00 pm
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/26$121
This Cheapflightsfares deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:33 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Tue 3/38:00 am
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/28$122
This Frontier deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:33 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Wed 3/48:00 am
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/28$123
This Super.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:48 am
DEN
-
DCA
Nonstop3h 27m
Frontier
Mon 3/98:00 am
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/27$126
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:37 am
DEN
-
DCA
Nonstop3h 22m
Frontier
Sat 2/218:00 am
DCA
-
DEN
Nonstop4h 22m
Frontier
Deal found 1/27$127
This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:40 am
DEN
-
DCA
Nonstop3h 24m
Frontier
Sat 4/47:00 am
DCA
-
DEN
Nonstop4h 07m
Frontier
Deal found 1/27$128

Find flight deals from Denver to Pennsylvania

Keep the following information in mind while searching for Denver to Pennsylvania flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$110
(Trip.com)

One-way from

$51
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$368

Good round-trip deal

$218 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for Denver Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Philadelphia flights.
Search Deals
From Denver Intl to Pennsylvania
Search Deals
One-way flight from Denver Intl to Pennsylvania
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Denver Intl to Pennsylvania.
Search Deals
Price to beat on a one-way flight from Denver Intl to Pennsylvania.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Denver to Pennsylvania that are best for you.

Fly from

Denver

Fly to

Pennsylvania

Route

Depart

Return

Price

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Thu 2/19

6:35 am-12:20 pm

Nonstop3h 45m

New York LaGuardia

Wed 2/25

7:15 am-10:00 am

Nonstop4h 45m

$142

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Wed 2/25

12:12 pm-6:10 pm

Nonstop3h 58m

New York John F Kennedy Intl

Wed 3/11

7:10 pm-9:46 pm

Nonstop4h 36m

$157

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Sun 2/15

11:59 pm-5:39 am

Nonstop3h 40m

New York John F Kennedy Intl

Tue 2/24

8:13 pm-10:59 pm

Nonstop4h 46m

$157

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Wed 2/18

7:05 am-12:59 pm

Nonstop3h 54m

New York LaGuardia

Fri 2/20

1:59 pm-4:43 pm

Nonstop4h 44m

$157

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Wed 2/18

7:05 am-12:59 pm

Nonstop3h 54m

New York LaGuardia

Sat 2/21

2:00 pm-4:44 pm

Nonstop4h 44m

$157

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 2/27

3:05 pm-11:10 pm

1 stop30h 05m

Philadelphia

Mon 3/2

6:30 am-10:01 am

1 stop29h 31m

$162

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Thu 2/26

6:15 am-12:00 pm

Nonstop3h 45m

New York LaGuardia

Tue 3/3

7:15 am-10:00 am

Nonstop4h 45m

$163

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Wed 3/11

8:17 am-8:39 am

2 stops22h 22m

Philadelphia

Mon 3/16

8:25 pm-11:04 pm

Nonstop4h 39m

$166

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Sat 2/14

6:00 am-11:49 am

Nonstop3h 49m

New York John F Kennedy Intl

Sat 2/21

7:59 am-10:53 am

Nonstop4h 54m

$167

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Wed 3/11

11:59 pm-10:59 am

1 stop9h 00m

Philadelphia

Sun 3/15

8:25 pm-11:04 pm

Nonstop4h 39m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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Best time to book a flight from Denver to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Pennsylvania

What is the cheapest month to book a flight from Denver to Pennsylvania?

Currently, May is the cheapest month in which you can book a flight from Denver to Pennsylvania (average of $62). Flying from Denver to Pennsylvania in July is currently the most expensive (average of $175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to PA?

Find hourly flight availability from Denver to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 23% on flights from Denver to Pennsylvania by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Denver to Pennsylvania?

Use this chart to determine the cheapest time to fly round-trip from Denver to Pennsylvania. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Denver to Pennsylvania flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Pennsylvania

Explore weekly flight availability from Denver to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from DEN to USPA are scheduled on a Monday (8 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Denver to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,128 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Denver to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Pennsylvania?

    Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Pennsylvania.

  • How popular is this Denver to Pennsylvania flight route?

    The Denver Intl to Pennsylvania flight path was viewed by 82 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Denver to Pennsylvania?

    Southwest, Delta, and JetBlue can get you from Denver to Pennsylvania in just under 3h 40m. Your travel time will be generally consistent. The distance between Denver and Pennsylvania is about 1621 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Denver to Pennsylvania one-way?

    One-way options have recently been found by users for as low as $53 on Allegiant Air. Other airlines that offer cheap prices include Frontier from $64 and American Airlines from $82 one-way.

  • What are the most popular routes from Denver to Pennsylvania?

    Most travelers choose Denver Intl - New York LaGuardia, Denver Intl - Newark or Denver Intl - New York John F Kennedy Intl when deciding on the best route from Denver to Pennsylvania.

  • What are the most reliable airlines from Denver to Pennsylvania?

    Before booking your flight to Pennsylvania from Denver, check out the most reliable airlines to get you to your destination on time: Aer Lingus (85%), Air Canada (81%), United Airlines( 80%).

  • What are the cheapest flights from Denver to Pennsylvania?

    The cheapest flight price from Denver to Pennsylvania is $103. On average you can expect to pay $832. The most popular route, (Denver Intl - New York LaGuardia), can usually be booked for $137.

  • Can I find deals for flights from Denver to Pennsylvania that include hotel bookings?

    Yes. In addition to deals on Denver to Pennsylvania flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Pennsylvania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Pennsylvania.

  • Can I find deals for business class flights from Denver to Pennsylvania?

    Yes. Cheapflights offers flight deals from Denver to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Pennsylvania?

    Currently, May is the cheapest month in which you can book a flight from Denver to Pennsylvania (average of $62). Flying from Denver to Pennsylvania in July is currently the most expensive (average of $175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Denver to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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Denver to San Jose flights
Denver to Detroit flights
Denver to Lihue flights
Denver to West Palm Beach flights
Denver to Charleston flights
Denver to Jacksonville flights
Denver to Burbank flights
Denver to Portland flights
Denver to Anchorage flights
Denver to Cincinnati flights

Top 7 airlines flying from Denver to Pennsylvania

Discover the top 7 airlines that operate flights from Denver to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$230FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$122Average$209FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$366FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$134Average$198FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$153Average$409FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$163Average$437FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$208Average$408FlexibilityNo cancel feeOn-time63%

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